DRAŽICE OKC 300 litri NTRR/BP 1,0 Mpa ūdens ātrsildītājs ar 2 siltummaiņiem

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Design

• Indirect water heaters with enamelled vessel with the maximum operating pressure of 1 MPa and volumes from 300 up to 1000 litres. The water heaters are equipped with one (NTR) or two (NTRR) high performance spiral heat exchangers, receivers for regulating sensors and a flanged manhole. Hot utility water may be heated using heating water with the temperature of max. 110 °C and pressure of 1 MPa. Auxilliary electric heating from the accessories section of the R or SE series may be fitted into the manhole. The 6/4" neck above the lower heat exchanger is designed for additional electric heating of hot utility water using the heating unit of the TJ series from the accessories section. This additional heating is used mainly in case of connection of the water heater to the solar system. Water heaters with the volume below 500 litres are insulated by 50 mm of hard polyurethane foam. Water heaters with volumes of 750 l, 1000 l are insulated by 100 mm of soft polyurethane foam supplied separately with the vessel.

Most common use

• Heating of hot utility water using heating water or in combination with electric heating for medium and large premisses, emergency water supply for heat exchange stations, bigger alternative power sources, etc.